Pentair 2" HiFlow Valve Clear Sight Glass Nipple — Part 154566

Marsoni

M251S

$23.99

Get it in 3 business days with 1 day shipping. Friday, May 29

Pentair 2" HiFlow Valve Clear Sight Glass Nipple — Part 154566The OEM Pentair Clear Sight Glass Nipple 154566 is a 2 inch visual inspection fitting built for use with select HiFlow pool and spa valves, including models 261049, 261050, 261142, 261047, and 261165. This transparent sight glass lets you observe water clarity in real time during backwashing, helping you pinpoint exactly when to stop the cycle and avoid wasting water. By providing a direct view of the flow, this component promotes smarter maintenance

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I think I've reviewed these in the past but they are my favorite thing to make. They are stainless steel so they don't fade unless they are in direct sun. You can put any sublimation print on them (peel off the plastic first) w an Epson 15000 sublimation printer or an 8550. They are 10" not 8. So you need the bigger printer.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on January 17, 2026

Verified Purchase

tee_rose_29

Omaha, US

★★★★★ 5

Will buy these again, turned out perfect.

They work great with all my sublimation ink and paper. Friends and family loved. I even had friends of friends asking to make more. Will bye them again.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on April 16, 2026